> -----Original Message----- > From: Jay Pipes [mailto:[email protected]] > Sent: Wednesday, July 26, 2017 2:50 PM > To: OpenStack Development Mailing List (not for usage questions) > <[email protected]>; TETSURO NAKAMURA > <[email protected]>; Daniel P. Berrange > <[email protected]>; [email protected]; [email protected] > Cc: 【社内】【ML】srv-apl-arch <[email protected]> > Subject: Re: [openstack-dev] [nova] Discussions for ivshmem support in > OpenStack Nova > > On 07/26/2017 03:06 AM, TETSURO NAKAMURA wrote: > > Hi Nova team, > > > > It has been quite a long time since the last discussion, but let me > > make sure one thing about the thread below. > > > > IIUC, Nova is not welcome ivshmem support because it is no longer > > supported by DPDK+QEMU. > > > > But how would you say if it is supported out of DPDK-tree and can be > > used from the newest qemu version ? > > > > We are now developing SPP, a DPDK-based vswitch, and thinking about > > trying to implement ivshmem support under our SPP code tree if nova > > (or at first libvirt community) is acceptable for ivshmem > configuration. > > > > Your advice will be very helpful for our decision-making in our > project. > > I think this is a question that the libvirt community would first need > to weigh in on since Nova is downstream from libvirt -- at least in the > sense of low-level hypervisor support. [Mooney, Sean K] well ivshmem was deprecated in dpdk and removed and never supported with hugepages memory instead of posixs Shared mememy in qemu where it is also deprecated so the first community to approach would be qemu.
I would caution against build new solutions ontop of ivshmem unless you have first measured and demonstrated that vhost-user is not suitable. > > Best, > -jay > > _______________________________________________________________________ > ___ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: OpenStack-dev- > [email protected]?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev __________________________________________________________________________ OpenStack Development Mailing List (not for usage questions) Unsubscribe: [email protected]?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
